![firefox har viewer firefox har viewer](https://wd.imgix.net/image/admin/UFh9UD8HrKQVevK0Fcj0.png)
This is the sum of all timings available in the timings object (i.e. time - Total elapsed time of the request in milliseconds.startedDateTime - Date and time stamp of the request start ( ISO 8601 - YYYY-MM-DDThh:mm:ss.sTZD).Leave out this field if the application does not support grouping by pages. pageref - Reference to the parent page.This object represents the root of exported data.
![firefox har viewer firefox har viewer](https://opensource.saucelabs.com/images/blog/network-viewer/image8.jpg)
The spec requires that tools support and ignore a BOM and allow them to emit one if they like. HAR files are required to be saved in UTF-8 encoding, other encodings are forbidden.
#Firefox har viewer archive
The format described below is based on HTTP Archive 1.1.Notice that resulting HAR file can contain privacy & security sensitive data and user-agents should find some way to notify the user of this fact before they transfer the file to anyone else. This should allow effective processing and analyzing data coming from various sources. One of the goals of the HTTP Archive format is to be flexible enough so, it can be adopted across projects and various tools. This document is intended to describe a HTTP Archive 1.2 (frozen) format that can be used by HTTP monitoring tools to export collected data.